Mastering Ionic Compounds with Polyatomic Ions

What is the main focus of this webcast?

• Writing ionic names and formulas with polyatomic ions and transition metals

• Naming organic compounds

• Understanding chemical reactions

• Balancing chemical equations

Why do we use Roman numerals when naming transition metal cations?

• To show the charge of the cation

• To represent the atomic mass

• To indicate the number of atoms

• To denote the number of bonds

Which of the following metals does NOT require a Roman numeral in its name?

• Iron

• Copper

• Zinc

• Manganese

What should you do if your teacher asks you to memorize polyatomic ions?

• Ignore the request

• Make flashcards and practice daily

• Write them down once and forget about it

• Only study them before exams

When writing formulas for ionic compounds, what must the sum of the charges equal?

• Zero

• The molecular weight

• The atomic number

• The number of atoms

What is the correct formula for a compound formed between cobalt (II) ions and acetate ions?

• Co(C2H3O2)2

• Co2(C2H3O2)3

• Co(C2H3O2)3

• Co2(C2H3O2)2

What is the name of the compound with the formula SnSO4?

• Tin sulfate

• Tin (II) sulfate

• Tin (III) sulfate

• Tin (IV) sulfate

How do you write the formula for aluminum hydroxide?

• AlOH3

• Al(OH)2

• Al2(OH)3

• Al(OH)3

What is the correct name for the compound Mn(ClO4)3?

• Manganese (II) perchlorate

• Manganese (III) perchlorate

• Manganese (IV) perchlorate

• Manganese (I) perchlorate

What is the name of the compound CuSO3?

• Copper (II) sulfite

• Copper (II) sulfate

• Copper (I) sulfate

• Copper (I) sulfite